Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual          MCAC-HTSM-201506 
37 
 
Double units drawing: 
 
 
2.7 Water tank installation 
  The water tank temperature sensor (T5) can not be placed in the water or on the water pipe 
directly. The water tank must be set a temperature pipe where the temperature sensor (T5) 
is installed. 
  The water tank must have some safty devices to protect it such as temperature cut off 
switch, pressure and temperature relief vale, etc. 
  Make sure E-heater is covered with water all the time.